[INFO] cloning repository https://github.com/awm/rvfs-sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awm/rvfs-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawm%2Frvfs-sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawm%2Frvfs-sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9c8703fe55dfdf5ef86c96c2ed5a45251d714f2
[INFO] checking awm/rvfs-sim against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawm%2Frvfs-sim" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/awm/rvfs-sim
[INFO] finished tweaking git repo https://github.com/awm/rvfs-sim
[INFO] tweaked toml for git repo https://github.com/awm/rvfs-sim written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/awm/rvfs-sim on toolchain 1383df06117fd218068d1f39fd5326256dd4a348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/awm/rvfs-sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 082fb76370331fe1645a6e093a85daca28c27588a6e601334b5f07cb40260bdb
[INFO] running `Command { std: "docker" "start" "-a" "082fb76370331fe1645a6e093a85daca28c27588a6e601334b5f07cb40260bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "082fb76370331fe1645a6e093a85daca28c27588a6e601334b5f07cb40260bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082fb76370331fe1645a6e093a85daca28c27588a6e601334b5f07cb40260bdb", kill_on_drop: false }`
[INFO] [stdout] 082fb76370331fe1645a6e093a85daca28c27588a6e601334b5f07cb40260bdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b35af64accc3d1ac083f1fefc2ddea359ecbb89de3eda950ee4e12371240884
[INFO] running `Command { std: "docker" "start" "-a" "8b35af64accc3d1ac083f1fefc2ddea359ecbb89de3eda950ee4e12371240884", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking rvfs-sim v0.1.0 (/opt/rustwide/workdir/rvfs-sim)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking float-cmp v0.10.0
[INFO] [stderr]     Checking rvfs-sim-core v0.1.0 (/opt/rustwide/workdir/rvfs-sim-core)
[INFO] [stdout] warning: variant `Element` is never constructed
[INFO] [stdout]   --> rvfs-sim-core/src/sim.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum StepResult {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     Element(Result<SimResult, String> /* TODO: , Element */),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StepResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Element` is never constructed
[INFO] [stdout]   --> rvfs-sim-core/src/sim.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum StepResult {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     Element(Result<SimResult, String> /* TODO: , Element */),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StepResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "8b35af64accc3d1ac083f1fefc2ddea359ecbb89de3eda950ee4e12371240884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b35af64accc3d1ac083f1fefc2ddea359ecbb89de3eda950ee4e12371240884", kill_on_drop: false }`
[INFO] [stdout] 8b35af64accc3d1ac083f1fefc2ddea359ecbb89de3eda950ee4e12371240884